Home / 42,088.32-63,072.32-30,907.28

Finding the Fourth Proportional to 42,088.32, 63,072.32 and 30,907.28

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Solution

The fourth proportional to 42,088.32, 63,072.32 and 30,907.28 is: 46,316.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,088.32 : 63,072.32 = 30,907.28 : x
  2. Step 2: Convert to fraction form
    42,088.32/63,072.32 = 30,907.28/x
  3. Step 3: Cross multiply
    42,088.32x = 63,072.32 × 30,907.28
  4. Step 4: Simplify right side
    42,088.32x = 1,949,393,854.49
  5. Step 5: Solve for x
    x = 1,949,393,854.49/42,088.32
  6. Step 6: Final answer
    x = 46,316.74

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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.