Home / 56,698.08-78,244.56-31,549.20

Finding the Fourth Proportional to 56,698.08, 78,244.56 and 31,549.20

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Solution

The fourth proportional to 56,698.08, 78,244.56 and 31,549.20 is: 43,538.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,698.08 : 78,244.56 = 31,549.20 : x
  2. Step 2: Convert to fraction form
    56,698.08/78,244.56 = 31,549.20/x
  3. Step 3: Cross multiply
    56,698.08x = 78,244.56 × 31,549.20
  4. Step 4: Simplify right side
    56,698.08x = 2,468,553,272.35
  5. Step 5: Solve for x
    x = 2,468,553,272.35/56,698.08
  6. Step 6: Final answer
    x = 43,538.57

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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.