Home / 55,862.64-77,089.51-30,369.63

Finding the Fourth Proportional to 55,862.64, 77,089.51 and 30,369.63

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Solution

The fourth proportional to 55,862.64, 77,089.51 and 30,369.63 is: 41,909.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,862.64 : 77,089.51 = 30,369.63 : x
  2. Step 2: Convert to fraction form
    55,862.64/77,089.51 = 30,369.63/x
  3. Step 3: Cross multiply
    55,862.64x = 77,089.51 × 30,369.63
  4. Step 4: Simplify right side
    55,862.64x = 2,341,179,895.58
  5. Step 5: Solve for x
    x = 2,341,179,895.58/55,862.64
  6. Step 6: Final answer
    x = 41,909.58

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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.