Home / 52,966.16-79,449.38-12,985.32

Finding the Fourth Proportional to 52,966.16, 79,449.38 and 12,985.32

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Solution

The fourth proportional to 52,966.16, 79,449.38 and 12,985.32 is: 19,478.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,966.16 : 79,449.38 = 12,985.32 : x
  2. Step 2: Convert to fraction form
    52,966.16/79,449.38 = 12,985.32/x
  3. Step 3: Cross multiply
    52,966.16x = 79,449.38 × 12,985.32
  4. Step 4: Simplify right side
    52,966.16x = 1,031,675,904.81
  5. Step 5: Solve for x
    x = 1,031,675,904.81/52,966.16
  6. Step 6: Final answer
    x = 19,478.02

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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.