Home / 55,966.51-77,203.15-38,943.82

Finding the Fourth Proportional to 55,966.51, 77,203.15 and 38,943.82

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Solution

The fourth proportional to 55,966.51, 77,203.15 and 38,943.82 is: 53,721.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,966.51 : 77,203.15 = 38,943.82 : x
  2. Step 2: Convert to fraction form
    55,966.51/77,203.15 = 38,943.82/x
  3. Step 3: Cross multiply
    55,966.51x = 77,203.15 × 38,943.82
  4. Step 4: Simplify right side
    55,966.51x = 3,006,585,577.03
  5. Step 5: Solve for x
    x = 3,006,585,577.03/55,966.51
  6. Step 6: Final answer
    x = 53,721.16

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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.