Home / 53,387.28-73,589.58-42,038.76

Finding the Fourth Proportional to 53,387.28, 73,589.58 and 42,038.76

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Solution

The fourth proportional to 53,387.28, 73,589.58 and 42,038.76 is: 57,946.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,387.28 : 73,589.58 = 42,038.76 : x
  2. Step 2: Convert to fraction form
    53,387.28/73,589.58 = 42,038.76/x
  3. Step 3: Cross multiply
    53,387.28x = 73,589.58 × 42,038.76
  4. Step 4: Simplify right side
    53,387.28x = 3,093,614,692.12
  5. Step 5: Solve for x
    x = 3,093,614,692.12/53,387.28
  6. Step 6: Final answer
    x = 57,946.66

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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.