Home / 32,720.28-45,154.53-31,588.80

Finding the Fourth Proportional to 32,720.28, 45,154.53 and 31,588.80

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Solution

The fourth proportional to 32,720.28, 45,154.53 and 31,588.80 is: 43,593.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,720.28 : 45,154.53 = 31,588.80 : x
  2. Step 2: Convert to fraction form
    32,720.28/45,154.53 = 31,588.80/x
  3. Step 3: Cross multiply
    32,720.28x = 45,154.53 × 31,588.80
  4. Step 4: Simplify right side
    32,720.28x = 1,426,377,417.26
  5. Step 5: Solve for x
    x = 1,426,377,417.26/32,720.28
  6. Step 6: Final answer
    x = 43,593.07

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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.