Home / 42,435.93-63,645.69-40,328.52

Finding the Fourth Proportional to 42,435.93, 63,645.69 and 40,328.52

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Solution

The fourth proportional to 42,435.93, 63,645.69 and 40,328.52 is: 60,484.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,435.93 : 63,645.69 = 40,328.52 : x
  2. Step 2: Convert to fraction form
    42,435.93/63,645.69 = 40,328.52/x
  3. Step 3: Cross multiply
    42,435.93x = 63,645.69 × 40,328.52
  4. Step 4: Simplify right side
    42,435.93x = 2,566,736,482.08
  5. Step 5: Solve for x
    x = 2,566,736,482.08/42,435.93
  6. Step 6: Final answer
    x = 60,484.98

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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.