Home / 52,312.81-72,188.60-28,439.27

Finding the Fourth Proportional to 52,312.81, 72,188.60 and 28,439.27

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Solution

The fourth proportional to 52,312.81, 72,188.60 and 28,439.27 is: 39,244.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,312.81 : 72,188.60 = 28,439.27 : x
  2. Step 2: Convert to fraction form
    52,312.81/72,188.60 = 28,439.27/x
  3. Step 3: Cross multiply
    52,312.81x = 72,188.60 × 28,439.27
  4. Step 4: Simplify right side
    52,312.81x = 2,052,991,337.89
  5. Step 5: Solve for x
    x = 2,052,991,337.89/52,312.81
  6. Step 6: Final answer
    x = 39,244.53

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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.