Home / 57,088.04-78,780.24-31,246.46

Finding the Fourth Proportional to 57,088.04, 78,780.24 and 31,246.46

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Solution

The fourth proportional to 57,088.04, 78,780.24 and 31,246.46 is: 43,119.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,088.04 : 78,780.24 = 31,246.46 : x
  2. Step 2: Convert to fraction form
    57,088.04/78,780.24 = 31,246.46/x
  3. Step 3: Cross multiply
    57,088.04x = 78,780.24 × 31,246.46
  4. Step 4: Simplify right side
    57,088.04x = 2,461,603,617.95
  5. Step 5: Solve for x
    x = 2,461,603,617.95/57,088.04
  6. Step 6: Final answer
    x = 43,119.43

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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.