Home / 52,830.90-79,316.74-30,660.19

Finding the Fourth Proportional to 52,830.90, 79,316.74 and 30,660.19

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Solution

The fourth proportional to 52,830.90, 79,316.74 and 30,660.19 is: 46,031.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,830.90 : 79,316.74 = 30,660.19 : x
  2. Step 2: Convert to fraction form
    52,830.90/79,316.74 = 30,660.19/x
  3. Step 3: Cross multiply
    52,830.90x = 79,316.74 × 30,660.19
  4. Step 4: Simplify right side
    52,830.90x = 2,431,866,165.28
  5. Step 5: Solve for x
    x = 2,431,866,165.28/52,830.90
  6. Step 6: Final answer
    x = 46,031.13

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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.