Home / 66,275.03-99,397.62-18,889.16

Finding the Fourth Proportional to 66,275.03, 99,397.62 and 18,889.16

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Solution

The fourth proportional to 66,275.03, 99,397.62 and 18,889.16 is: 28,329.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,275.03 : 99,397.62 = 18,889.16 : x
  2. Step 2: Convert to fraction form
    66,275.03/99,397.62 = 18,889.16/x
  3. Step 3: Cross multiply
    66,275.03x = 99,397.62 × 18,889.16
  4. Step 4: Simplify right side
    66,275.03x = 1,877,537,050.81
  5. Step 5: Solve for x
    x = 1,877,537,050.81/66,275.03
  6. Step 6: Final answer
    x = 28,329.48

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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.