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Finding the Fourth Proportional to 67,430.71, 101,147.91 and 17,509.69

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Solution

The fourth proportional to 67,430.71, 101,147.91 and 17,509.69 is: 26,265.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,430.71 : 101,147.91 = 17,509.69 : x
  2. Step 2: Convert to fraction form
    67,430.71/101,147.91 = 17,509.69/x
  3. Step 3: Cross multiply
    67,430.71x = 101,147.91 × 17,509.69
  4. Step 4: Simplify right side
    67,430.71x = 1,771,068,548.25
  5. Step 5: Solve for x
    x = 1,771,068,548.25/67,430.71
  6. Step 6: Final answer
    x = 26,265.01

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1.5x scale

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.