Home / 57,762.16-86,646.40-18,316.42

Finding the Fourth Proportional to 57,762.16, 86,646.40 and 18,316.42

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Solution

The fourth proportional to 57,762.16, 86,646.40 and 18,316.42 is: 27,475.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,762.16 : 86,646.40 = 18,316.42 : x
  2. Step 2: Convert to fraction form
    57,762.16/86,646.40 = 18,316.42/x
  3. Step 3: Cross multiply
    57,762.16x = 86,646.40 × 18,316.42
  4. Step 4: Simplify right side
    57,762.16x = 1,587,051,853.89
  5. Step 5: Solve for x
    x = 1,587,051,853.89/57,762.16
  6. Step 6: Final answer
    x = 27,475.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.