Home / 42,041.80-63,066.32-12,056.20

Finding the Fourth Proportional to 42,041.80, 63,066.32 and 12,056.20

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Solution

The fourth proportional to 42,041.80, 63,066.32 and 12,056.20 is: 18,085.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,041.80 : 63,066.32 = 12,056.20 : x
  2. Step 2: Convert to fraction form
    42,041.80/63,066.32 = 12,056.20/x
  3. Step 3: Cross multiply
    42,041.80x = 63,066.32 × 12,056.20
  4. Step 4: Simplify right side
    42,041.80x = 760,340,167.18
  5. Step 5: Solve for x
    x = 760,340,167.18/42,041.80
  6. Step 6: Final answer
    x = 18,085.34

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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.