Home / 42,543.80-63,815.70-24,756.20

Finding the Fourth Proportional to 42,543.80, 63,815.70 and 24,756.20

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Solution

The fourth proportional to 42,543.80, 63,815.70 and 24,756.20 is: 37,134.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,543.80 : 63,815.70 = 24,756.20 : x
  2. Step 2: Convert to fraction form
    42,543.80/63,815.70 = 24,756.20/x
  3. Step 3: Cross multiply
    42,543.80x = 63,815.70 × 24,756.20
  4. Step 4: Simplify right side
    42,543.80x = 1,579,834,232.34
  5. Step 5: Solve for x
    x = 1,579,834,232.34/42,543.80
  6. Step 6: Final answer
    x = 37,134.30

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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.