Home / 55,501.80-83,252.70-31,809.30

Finding the Fourth Proportional to 55,501.80, 83,252.70 and 31,809.30

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Solution

The fourth proportional to 55,501.80, 83,252.70 and 31,809.30 is: 47,713.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,501.80 : 83,252.70 = 31,809.30 : x
  2. Step 2: Convert to fraction form
    55,501.80/83,252.70 = 31,809.30/x
  3. Step 3: Cross multiply
    55,501.80x = 83,252.70 × 31,809.30
  4. Step 4: Simplify right side
    55,501.80x = 2,648,210,110.11
  5. Step 5: Solve for x
    x = 2,648,210,110.11/55,501.80
  6. Step 6: Final answer
    x = 47,713.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.