Home / 52,312.44-72,188.40-28,439.00

Finding the Fourth Proportional to 52,312.44, 72,188.40 and 28,439.00

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Solution

The fourth proportional to 52,312.44, 72,188.40 and 28,439.00 is: 39,244.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,312.44 : 72,188.40 = 28,439.00 : x
  2. Step 2: Convert to fraction form
    52,312.44/72,188.40 = 28,439.00/x
  3. Step 3: Cross multiply
    52,312.44x = 72,188.40 × 28,439.00
  4. Step 4: Simplify right side
    52,312.44x = 2,052,966,330.07
  5. Step 5: Solve for x
    x = 2,052,966,330.07/52,312.44
  6. Step 6: Final answer
    x = 39,244.33

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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.