Home / 57,554.42-85,995.63-42,497.78

Finding the Fourth Proportional to 57,554.42, 85,995.63 and 42,497.78

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Solution

The fourth proportional to 57,554.42, 85,995.63 and 42,497.78 is: 63,498.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,554.42 : 85,995.63 = 42,497.78 : x
  2. Step 2: Convert to fraction form
    57,554.42/85,995.63 = 42,497.78/x
  3. Step 3: Cross multiply
    57,554.42x = 85,995.63 × 42,497.78
  4. Step 4: Simplify right side
    57,554.42x = 3,654,623,152.21
  5. Step 5: Solve for x
    x = 3,654,623,152.21/57,554.42
  6. Step 6: Final answer
    x = 63,498.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.