Home / 35,752.16-49,344.30-20,642.72

Finding the Fourth Proportional to 35,752.16, 49,344.30 and 20,642.72

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Solution

The fourth proportional to 35,752.16, 49,344.30 and 20,642.72 is: 28,490.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,752.16 : 49,344.30 = 20,642.72 : x
  2. Step 2: Convert to fraction form
    35,752.16/49,344.30 = 20,642.72/x
  3. Step 3: Cross multiply
    35,752.16x = 49,344.30 × 20,642.72
  4. Step 4: Simplify right side
    35,752.16x = 1,018,600,568.50
  5. Step 5: Solve for x
    x = 1,018,600,568.50/35,752.16
  6. Step 6: Final answer
    x = 28,490.60

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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.