Home / 35,746.97-49,333.05-20,642.40

Finding the Fourth Proportional to 35,746.97, 49,333.05 and 20,642.40

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Solution

The fourth proportional to 35,746.97, 49,333.05 and 20,642.40 is: 28,487.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,746.97 : 49,333.05 = 20,642.40 : x
  2. Step 2: Convert to fraction form
    35,746.97/49,333.05 = 20,642.40/x
  3. Step 3: Cross multiply
    35,746.97x = 49,333.05 × 20,642.40
  4. Step 4: Simplify right side
    35,746.97x = 1,018,352,551.32
  5. Step 5: Solve for x
    x = 1,018,352,551.32/35,746.97
  6. Step 6: Final answer
    x = 28,487.80

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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.