Home / 42,343.50-63,539.85-18,969.93

Finding the Fourth Proportional to 42,343.50, 63,539.85 and 18,969.93

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Solution

The fourth proportional to 42,343.50, 63,539.85 and 18,969.93 is: 28,465.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,343.50 : 63,539.85 = 18,969.93 : x
  2. Step 2: Convert to fraction form
    42,343.50/63,539.85 = 18,969.93/x
  3. Step 3: Cross multiply
    42,343.50x = 63,539.85 × 18,969.93
  4. Step 4: Simplify right side
    42,343.50x = 1,205,346,744.98
  5. Step 5: Solve for x
    x = 1,205,346,744.98/42,343.50
  6. Step 6: Final answer
    x = 28,465.92

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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.