Home / 56,591.04-78,098.08-31,440.48

Finding the Fourth Proportional to 56,591.04, 78,098.08 and 31,440.48

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Solution

The fourth proportional to 56,591.04, 78,098.08 and 31,440.48 is: 43,389.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,591.04 : 78,098.08 = 31,440.48 : x
  2. Step 2: Convert to fraction form
    56,591.04/78,098.08 = 31,440.48/x
  3. Step 3: Cross multiply
    56,591.04x = 78,098.08 × 31,440.48
  4. Step 4: Simplify right side
    56,591.04x = 2,455,441,122.28
  5. Step 5: Solve for x
    x = 2,455,441,122.28/56,591.04
  6. Step 6: Final answer
    x = 43,389.22

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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.