Home / 35,555.04-49,062.78-20,443.68

Finding the Fourth Proportional to 35,555.04, 49,062.78 and 20,443.68

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Solution

The fourth proportional to 35,555.04, 49,062.78 and 20,443.68 is: 28,210.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,555.04 : 49,062.78 = 20,443.68 : x
  2. Step 2: Convert to fraction form
    35,555.04/49,062.78 = 20,443.68/x
  3. Step 3: Cross multiply
    35,555.04x = 49,062.78 × 20,443.68
  4. Step 4: Simplify right side
    35,555.04x = 1,003,023,774.23
  5. Step 5: Solve for x
    x = 1,003,023,774.23/35,555.04
  6. Step 6: Final answer
    x = 28,210.45

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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.