Home / 58,709.28-81,017.52-31,851.84

Finding the Fourth Proportional to 58,709.28, 81,017.52 and 31,851.84

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Solution

The fourth proportional to 58,709.28, 81,017.52 and 31,851.84 is: 43,954.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,709.28 : 81,017.52 = 31,851.84 : x
  2. Step 2: Convert to fraction form
    58,709.28/81,017.52 = 31,851.84/x
  3. Step 3: Cross multiply
    58,709.28x = 81,017.52 × 31,851.84
  4. Step 4: Simplify right side
    58,709.28x = 2,580,557,084.24
  5. Step 5: Solve for x
    x = 2,580,557,084.24/58,709.28
  6. Step 6: Final answer
    x = 43,954.84

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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.