Home / 39,088.04-53,941.28-21,182.85

Finding the Fourth Proportional to 39,088.04, 53,941.28 and 21,182.85

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Solution

The fourth proportional to 39,088.04, 53,941.28 and 21,182.85 is: 29,232.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,088.04 : 53,941.28 = 21,182.85 : x
  2. Step 2: Convert to fraction form
    39,088.04/53,941.28 = 21,182.85/x
  3. Step 3: Cross multiply
    39,088.04x = 53,941.28 × 21,182.85
  4. Step 4: Simplify right side
    39,088.04x = 1,142,629,937.13
  5. Step 5: Solve for x
    x = 1,142,629,937.13/39,088.04
  6. Step 6: Final answer
    x = 29,232.22

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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.