Home / 32,720,923.08-45,178,910.10-21,125,259.72

Finding the Fourth Proportional to 32,720,923.08, 45,178,910.10 and 21,125,259.72

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Solution

The fourth proportional to 32,720,923.08, 45,178,910.10 and 21,125,259.72 is: 29,168,376.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,720,923.08 : 45,178,910.10 = 21,125,259.72 : x
  2. Step 2: Convert to fraction form
    32,720,923.08/45,178,910.10 = 21,125,259.72/x
  3. Step 3: Cross multiply
    32,720,923.08x = 45,178,910.10 × 21,125,259.72
  4. Step 4: Simplify right side
    32,720,923.08x = 954,416,209,729,031.12
  5. Step 5: Solve for x
    x = 954,416,209,729,031.12/32,720,923.08
  6. Step 6: Final answer
    x = 29,168,376.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.