Home / 40,871.81-61,288.58-14,570.42

Finding the Fourth Proportional to 40,871.81, 61,288.58 and 14,570.42

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Solution

The fourth proportional to 40,871.81, 61,288.58 and 14,570.42 is: 21,848.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,871.81 : 61,288.58 = 14,570.42 : x
  2. Step 2: Convert to fraction form
    40,871.81/61,288.58 = 14,570.42/x
  3. Step 3: Cross multiply
    40,871.81x = 61,288.58 × 14,570.42
  4. Step 4: Simplify right side
    40,871.81x = 893,000,081.79
  5. Step 5: Solve for x
    x = 893,000,081.79/40,871.81
  6. Step 6: Final answer
    x = 21,848.80

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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.