Home / 52,295.16-72,177.80-31,070.32

Finding the Fourth Proportional to 52,295.16, 72,177.80 and 31,070.32

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Solution

The fourth proportional to 52,295.16, 72,177.80 and 31,070.32 is: 42,883.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,295.16 : 72,177.80 = 31,070.32 : x
  2. Step 2: Convert to fraction form
    52,295.16/72,177.80 = 31,070.32/x
  3. Step 3: Cross multiply
    52,295.16x = 72,177.80 × 31,070.32
  4. Step 4: Simplify right side
    52,295.16x = 2,242,587,342.90
  5. Step 5: Solve for x
    x = 2,242,587,342.90/52,295.16
  6. Step 6: Final answer
    x = 42,883.27

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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.