Home / 53,387.02-73,667.69-29,510.45

Finding the Fourth Proportional to 53,387.02, 73,667.69 and 29,510.45

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Solution

The fourth proportional to 53,387.02, 73,667.69 and 29,510.45 is: 40,720.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,387.02 : 73,667.69 = 29,510.45 : x
  2. Step 2: Convert to fraction form
    53,387.02/73,667.69 = 29,510.45/x
  3. Step 3: Cross multiply
    53,387.02x = 73,667.69 × 29,510.45
  4. Step 4: Simplify right side
    53,387.02x = 2,173,966,553.39
  5. Step 5: Solve for x
    x = 2,173,966,553.39/53,387.02
  6. Step 6: Final answer
    x = 40,720.88

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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.