Home / 32,740.74-45,181.98-19,312.02

Finding the Fourth Proportional to 32,740.74, 45,181.98 and 19,312.02

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Solution

The fourth proportional to 32,740.74, 45,181.98 and 19,312.02 is: 26,650.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,740.74 : 45,181.98 = 19,312.02 : x
  2. Step 2: Convert to fraction form
    32,740.74/45,181.98 = 19,312.02/x
  3. Step 3: Cross multiply
    32,740.74x = 45,181.98 × 19,312.02
  4. Step 4: Simplify right side
    32,740.74x = 872,555,301.40
  5. Step 5: Solve for x
    x = 872,555,301.40/32,740.74
  6. Step 6: Final answer
    x = 26,650.45

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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.