Home / 64,031.68-96,036.40-28,963.20

Finding the Fourth Proportional to 64,031.68, 96,036.40 and 28,963.20

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Solution

The fourth proportional to 64,031.68, 96,036.40 and 28,963.20 is: 43,439.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,031.68 : 96,036.40 = 28,963.20 : x
  2. Step 2: Convert to fraction form
    64,031.68/96,036.40 = 28,963.20/x
  3. Step 3: Cross multiply
    64,031.68x = 96,036.40 × 28,963.20
  4. Step 4: Simplify right side
    64,031.68x = 2,781,521,460.48
  5. Step 5: Solve for x
    x = 2,781,521,460.48/64,031.68
  6. Step 6: Final answer
    x = 43,439.77

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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.