Home / 42,368.23-63,552.71-10,778.32

Finding the Fourth Proportional to 42,368.23, 63,552.71 and 10,778.32

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Solution

The fourth proportional to 42,368.23, 63,552.71 and 10,778.32 is: 16,167.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,368.23 : 63,552.71 = 10,778.32 : x
  2. Step 2: Convert to fraction form
    42,368.23/63,552.71 = 10,778.32/x
  3. Step 3: Cross multiply
    42,368.23x = 63,552.71 × 10,778.32
  4. Step 4: Simplify right side
    42,368.23x = 684,991,209.31
  5. Step 5: Solve for x
    x = 684,991,209.31/42,368.23
  6. Step 6: Final answer
    x = 16,167.57

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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.