Home / 42,106.68-63,126.72-15,808.50

Finding the Fourth Proportional to 42,106.68, 63,126.72 and 15,808.50

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Solution

The fourth proportional to 42,106.68, 63,126.72 and 15,808.50 is: 23,700.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,106.68 : 63,126.72 = 15,808.50 : x
  2. Step 2: Convert to fraction form
    42,106.68/63,126.72 = 15,808.50/x
  3. Step 3: Cross multiply
    42,106.68x = 63,126.72 × 15,808.50
  4. Step 4: Simplify right side
    42,106.68x = 997,938,753.12
  5. Step 5: Solve for x
    x = 997,938,753.12/42,106.68
  6. Step 6: Final answer
    x = 23,700.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.