Home / 42,099.32-63,088.78-30,918.28

Finding the Fourth Proportional to 42,099.32, 63,088.78 and 30,918.28

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Solution

The fourth proportional to 42,099.32, 63,088.78 and 30,918.28 is: 46,333.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,099.32 : 63,088.78 = 30,918.28 : x
  2. Step 2: Convert to fraction form
    42,099.32/63,088.78 = 30,918.28/x
  3. Step 3: Cross multiply
    42,099.32x = 63,088.78 × 30,918.28
  4. Step 4: Simplify right side
    42,099.32x = 1,950,596,564.90
  5. Step 5: Solve for x
    x = 1,950,596,564.90/42,099.32
  6. Step 6: Final answer
    x = 46,333.21

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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.