Home / 51,969.29-71,718.28-31,545.45

Finding the Fourth Proportional to 51,969.29, 71,718.28 and 31,545.45

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Solution

The fourth proportional to 51,969.29, 71,718.28 and 31,545.45 is: 43,533.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,969.29 : 71,718.28 = 31,545.45 : x
  2. Step 2: Convert to fraction form
    51,969.29/71,718.28 = 31,545.45/x
  3. Step 3: Cross multiply
    51,969.29x = 71,718.28 × 31,545.45
  4. Step 4: Simplify right side
    51,969.29x = 2,262,385,415.83
  5. Step 5: Solve for x
    x = 2,262,385,415.83/51,969.29
  6. Step 6: Final answer
    x = 43,533.12

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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.