Home / 30,520.71-45,851.40-29,259.59

Finding the Fourth Proportional to 30,520.71, 45,851.40 and 29,259.59

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Solution

The fourth proportional to 30,520.71, 45,851.40 and 29,259.59 is: 43,956.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,520.71 : 45,851.40 = 29,259.59 : x
  2. Step 2: Convert to fraction form
    30,520.71/45,851.40 = 29,259.59/x
  3. Step 3: Cross multiply
    30,520.71x = 45,851.40 × 29,259.59
  4. Step 4: Simplify right side
    30,520.71x = 1,341,592,935.67
  5. Step 5: Solve for x
    x = 1,341,592,935.67/30,520.71
  6. Step 6: Final answer
    x = 43,956.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.