Home / 40,031.61-59,967.01-18,654.09

Finding the Fourth Proportional to 40,031.61, 59,967.01 and 18,654.09

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Solution

The fourth proportional to 40,031.61, 59,967.01 and 18,654.09 is: 27,943.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,031.61 : 59,967.01 = 18,654.09 : x
  2. Step 2: Convert to fraction form
    40,031.61/59,967.01 = 18,654.09/x
  3. Step 3: Cross multiply
    40,031.61x = 59,967.01 × 18,654.09
  4. Step 4: Simplify right side
    40,031.61x = 1,118,630,001.57
  5. Step 5: Solve for x
    x = 1,118,630,001.57/40,031.61
  6. Step 6: Final answer
    x = 27,943.67

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1.5x scale

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.