Home / 42,088.08-63,071.96-30,907.04

Finding the Fourth Proportional to 42,088.08, 63,071.96 and 30,907.04

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Solution

The fourth proportional to 42,088.08, 63,071.96 and 30,907.04 is: 46,316.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,088.08 : 63,071.96 = 30,907.04 : x
  2. Step 2: Convert to fraction form
    42,088.08/63,071.96 = 30,907.04/x
  3. Step 3: Cross multiply
    42,088.08x = 63,071.96 × 30,907.04
  4. Step 4: Simplify right side
    42,088.08x = 1,949,367,590.60
  5. Step 5: Solve for x
    x = 1,949,367,590.60/42,088.08
  6. Step 6: Final answer
    x = 46,316.38

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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.