Home / 39,233.02-54,140.92-21,328.47

Finding the Fourth Proportional to 39,233.02, 54,140.92 and 21,328.47

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Solution

The fourth proportional to 39,233.02, 54,140.92 and 21,328.47 is: 29,432.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,233.02 : 54,140.92 = 21,328.47 : x
  2. Step 2: Convert to fraction form
    39,233.02/54,140.92 = 21,328.47/x
  3. Step 3: Cross multiply
    39,233.02x = 54,140.92 × 21,328.47
  4. Step 4: Simplify right side
    39,233.02x = 1,154,742,987.99
  5. Step 5: Solve for x
    x = 1,154,742,987.99/39,233.02
  6. Step 6: Final answer
    x = 29,432.94

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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.