Home / 42,646.68-58,877.28-28,325.88

Finding the Fourth Proportional to 42,646.68, 58,877.28 and 28,325.88

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Solution

The fourth proportional to 42,646.68, 58,877.28 and 28,325.88 is: 39,106.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,646.68 : 58,877.28 = 28,325.88 : x
  2. Step 2: Convert to fraction form
    42,646.68/58,877.28 = 28,325.88/x
  3. Step 3: Cross multiply
    42,646.68x = 58,877.28 × 28,325.88
  4. Step 4: Simplify right side
    42,646.68x = 1,667,750,768.01
  5. Step 5: Solve for x
    x = 1,667,750,768.01/42,646.68
  6. Step 6: Final answer
    x = 39,106.23

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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.