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Finding the Fourth Proportional to 64,637.90, 96,959.02 and 17,886.86

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Solution

The fourth proportional to 64,637.90, 96,959.02 and 17,886.86 is: 26,830.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,637.90 : 96,959.02 = 17,886.86 : x
  2. Step 2: Convert to fraction form
    64,637.90/96,959.02 = 17,886.86/x
  3. Step 3: Cross multiply
    64,637.90x = 96,959.02 × 17,886.86
  4. Step 4: Simplify right side
    64,637.90x = 1,734,292,416.48
  5. Step 5: Solve for x
    x = 1,734,292,416.48/64,637.90
  6. Step 6: Final answer
    x = 26,830.89

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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.