Home / 42,605.40-63,908.10-42,346.20

Finding the Fourth Proportional to 42,605.40, 63,908.10 and 42,346.20

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Solution

The fourth proportional to 42,605.40, 63,908.10 and 42,346.20 is: 63,519.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,605.40 : 63,908.10 = 42,346.20 : x
  2. Step 2: Convert to fraction form
    42,605.40/63,908.10 = 42,346.20/x
  3. Step 3: Cross multiply
    42,605.40x = 63,908.10 × 42,346.20
  4. Step 4: Simplify right side
    42,605.40x = 2,706,265,184.22
  5. Step 5: Solve for x
    x = 2,706,265,184.22/42,605.40
  6. Step 6: Final answer
    x = 63,519.30

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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.