Home / 42,483.05-63,720.44-12,901.14

Finding the Fourth Proportional to 42,483.05, 63,720.44 and 12,901.14

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Solution

The fourth proportional to 42,483.05, 63,720.44 and 12,901.14 is: 19,350.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,483.05 : 63,720.44 = 12,901.14 : x
  2. Step 2: Convert to fraction form
    42,483.05/63,720.44 = 12,901.14/x
  3. Step 3: Cross multiply
    42,483.05x = 63,720.44 × 12,901.14
  4. Step 4: Simplify right side
    42,483.05x = 822,065,934.19
  5. Step 5: Solve for x
    x = 822,065,934.19/42,483.05
  6. Step 6: Final answer
    x = 19,350.45

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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.