Home / 39,159.01-54,037.98-21,253.63

Finding the Fourth Proportional to 39,159.01, 54,037.98 and 21,253.63

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Solution

The fourth proportional to 39,159.01, 54,037.98 and 21,253.63 is: 29,329.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,159.01 : 54,037.98 = 21,253.63 : x
  2. Step 2: Convert to fraction form
    39,159.01/54,037.98 = 21,253.63/x
  3. Step 3: Cross multiply
    39,159.01x = 54,037.98 × 21,253.63
  4. Step 4: Simplify right side
    39,159.01x = 1,148,503,047.11
  5. Step 5: Solve for x
    x = 1,148,503,047.11/39,159.01
  6. Step 6: Final answer
    x = 29,329.22

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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.