Home / 42,547.20-63,845.10-16,270.80

Finding the Fourth Proportional to 42,547.20, 63,845.10 and 16,270.80

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Solution

The fourth proportional to 42,547.20, 63,845.10 and 16,270.80 is: 24,415.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,547.20 : 63,845.10 = 16,270.80 : x
  2. Step 2: Convert to fraction form
    42,547.20/63,845.10 = 16,270.80/x
  3. Step 3: Cross multiply
    42,547.20x = 63,845.10 × 16,270.80
  4. Step 4: Simplify right side
    42,547.20x = 1,038,810,853.08
  5. Step 5: Solve for x
    x = 1,038,810,853.08/42,547.20
  6. Step 6: Final answer
    x = 24,415.49

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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.