Home / 38,508.02-53,135.83-21,510.11

Finding the Fourth Proportional to 38,508.02, 53,135.83 and 21,510.11

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Solution

The fourth proportional to 38,508.02, 53,135.83 and 21,510.11 is: 29,681.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,508.02 : 53,135.83 = 21,510.11 : x
  2. Step 2: Convert to fraction form
    38,508.02/53,135.83 = 21,510.11/x
  3. Step 3: Cross multiply
    38,508.02x = 53,135.83 × 21,510.11
  4. Step 4: Simplify right side
    38,508.02x = 1,142,957,228.79
  5. Step 5: Solve for x
    x = 1,142,957,228.79/38,508.02
  6. Step 6: Final answer
    x = 29,681.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.