Home / 55,798.45-77,015.15-31,938.91

Finding the Fourth Proportional to 55,798.45, 77,015.15 and 31,938.91

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Solution

The fourth proportional to 55,798.45, 77,015.15 and 31,938.91 is: 44,083.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,798.45 : 77,015.15 = 31,938.91 : x
  2. Step 2: Convert to fraction form
    55,798.45/77,015.15 = 31,938.91/x
  3. Step 3: Cross multiply
    55,798.45x = 77,015.15 × 31,938.91
  4. Step 4: Simplify right side
    55,798.45x = 2,459,779,784.79
  5. Step 5: Solve for x
    x = 2,459,779,784.79/55,798.45
  6. Step 6: Final answer
    x = 44,083.30

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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.