Home / 66,316.32-99,490.28-19,569.24

Finding the Fourth Proportional to 66,316.32, 99,490.28 and 19,569.24

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Solution

The fourth proportional to 66,316.32, 99,490.28 and 19,569.24 is: 29,358.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,316.32 : 99,490.28 = 19,569.24 : x
  2. Step 2: Convert to fraction form
    66,316.32/99,490.28 = 19,569.24/x
  3. Step 3: Cross multiply
    66,316.32x = 99,490.28 × 19,569.24
  4. Step 4: Simplify right side
    66,316.32x = 1,946,949,166.99
  5. Step 5: Solve for x
    x = 1,946,949,166.99/66,316.32
  6. Step 6: Final answer
    x = 29,358.52

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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.