Home / 56,200.32-77,555.52-31,052.16

Finding the Fourth Proportional to 56,200.32, 77,555.52 and 31,052.16

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Solution

The fourth proportional to 56,200.32, 77,555.52 and 31,052.16 is: 42,851.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,200.32 : 77,555.52 = 31,052.16 : x
  2. Step 2: Convert to fraction form
    56,200.32/77,555.52 = 31,052.16/x
  3. Step 3: Cross multiply
    56,200.32x = 77,555.52 × 31,052.16
  4. Step 4: Simplify right side
    56,200.32x = 2,408,266,415.92
  5. Step 5: Solve for x
    x = 2,408,266,415.92/56,200.32
  6. Step 6: Final answer
    x = 42,851.47

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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.