Home / 38,772.47-53,506.02-21,776.74

Finding the Fourth Proportional to 38,772.47, 53,506.02 and 21,776.74

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Solution

The fourth proportional to 38,772.47, 53,506.02 and 21,776.74 is: 30,051.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,772.47 : 53,506.02 = 21,776.74 : x
  2. Step 2: Convert to fraction form
    38,772.47/53,506.02 = 21,776.74/x
  3. Step 3: Cross multiply
    38,772.47x = 53,506.02 × 21,776.74
  4. Step 4: Simplify right side
    38,772.47x = 1,165,186,309.56
  5. Step 5: Solve for x
    x = 1,165,186,309.56/38,772.47
  6. Step 6: Final answer
    x = 30,051.90

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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.