Home / 53,313.68-79,967.61-20,031.18

Finding the Fourth Proportional to 53,313.68, 79,967.61 and 20,031.18

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Solution

The fourth proportional to 53,313.68, 79,967.61 and 20,031.18 is: 30,045.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,313.68 : 79,967.61 = 20,031.18 : x
  2. Step 2: Convert to fraction form
    53,313.68/79,967.61 = 20,031.18/x
  3. Step 3: Cross multiply
    53,313.68x = 79,967.61 × 20,031.18
  4. Step 4: Simplify right side
    53,313.68x = 1,601,845,590.08
  5. Step 5: Solve for x
    x = 1,601,845,590.08/53,313.68
  6. Step 6: Final answer
    x = 30,045.68

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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.