Home / 57,052.34-78,726.17-31,554.65

Finding the Fourth Proportional to 57,052.34, 78,726.17 and 31,554.65

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Solution

The fourth proportional to 57,052.34, 78,726.17 and 31,554.65 is: 43,542.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,052.34 : 78,726.17 = 31,554.65 : x
  2. Step 2: Convert to fraction form
    57,052.34/78,726.17 = 31,554.65/x
  3. Step 3: Cross multiply
    57,052.34x = 78,726.17 × 31,554.65
  4. Step 4: Simplify right side
    57,052.34x = 2,484,176,740.19
  5. Step 5: Solve for x
    x = 2,484,176,740.19/57,052.34
  6. Step 6: Final answer
    x = 43,542.07

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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.