Home / 55,867.48-77,075.14-31,981.28

Finding the Fourth Proportional to 55,867.48, 77,075.14 and 31,981.28

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Solution

The fourth proportional to 55,867.48, 77,075.14 and 31,981.28 is: 44,121.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,867.48 : 77,075.14 = 31,981.28 : x
  2. Step 2: Convert to fraction form
    55,867.48/77,075.14 = 31,981.28/x
  3. Step 3: Cross multiply
    55,867.48x = 77,075.14 × 31,981.28
  4. Step 4: Simplify right side
    55,867.48x = 2,464,961,633.38
  5. Step 5: Solve for x
    x = 2,464,961,633.38/55,867.48
  6. Step 6: Final answer
    x = 44,121.58

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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.