Home / 52,176.05-72,002.65-28,302.21

Finding the Fourth Proportional to 52,176.05, 72,002.65 and 28,302.21

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Solution

The fourth proportional to 52,176.05, 72,002.65 and 28,302.21 is: 39,056.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,176.05 : 72,002.65 = 28,302.21 : x
  2. Step 2: Convert to fraction form
    52,176.05/72,002.65 = 28,302.21/x
  3. Step 3: Cross multiply
    52,176.05x = 72,002.65 × 28,302.21
  4. Step 4: Simplify right side
    52,176.05x = 2,037,834,023.57
  5. Step 5: Solve for x
    x = 2,037,834,023.57/52,176.05
  6. Step 6: Final answer
    x = 39,056.89

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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.