Home / 55,886.91-77,125.40-30,737.07

Finding the Fourth Proportional to 55,886.91, 77,125.40 and 30,737.07

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Solution

The fourth proportional to 55,886.91, 77,125.40 and 30,737.07 is: 42,417.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,886.91 : 77,125.40 = 30,737.07 : x
  2. Step 2: Convert to fraction form
    55,886.91/77,125.40 = 30,737.07/x
  3. Step 3: Cross multiply
    55,886.91x = 77,125.40 × 30,737.07
  4. Step 4: Simplify right side
    55,886.91x = 2,370,608,664.89
  5. Step 5: Solve for x
    x = 2,370,608,664.89/55,886.91
  6. Step 6: Final answer
    x = 42,417.96

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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.