Home / 57,254.48-79,011.96-42,888.86

Finding the Fourth Proportional to 57,254.48, 79,011.96 and 42,888.86

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Solution

The fourth proportional to 57,254.48, 79,011.96 and 42,888.86 is: 59,187.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,254.48 : 79,011.96 = 42,888.86 : x
  2. Step 2: Convert to fraction form
    57,254.48/79,011.96 = 42,888.86/x
  3. Step 3: Cross multiply
    57,254.48x = 79,011.96 × 42,888.86
  4. Step 4: Simplify right side
    57,254.48x = 3,388,732,890.77
  5. Step 5: Solve for x
    x = 3,388,732,890.77/57,254.48
  6. Step 6: Final answer
    x = 59,187.21

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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.