Home / 57,011.13-78,675.48-31,860.63

Finding the Fourth Proportional to 57,011.13, 78,675.48 and 31,860.63

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Solution

The fourth proportional to 57,011.13, 78,675.48 and 31,860.63 is: 43,967.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,011.13 : 78,675.48 = 31,860.63 : x
  2. Step 2: Convert to fraction form
    57,011.13/78,675.48 = 31,860.63/x
  3. Step 3: Cross multiply
    57,011.13x = 78,675.48 × 31,860.63
  4. Step 4: Simplify right side
    57,011.13x = 2,506,650,358.35
  5. Step 5: Solve for x
    x = 2,506,650,358.35/57,011.13
  6. Step 6: Final answer
    x = 43,967.74

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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.