Home / 35,689.90-53,559.51-12,316.42

Finding the Fourth Proportional to 35,689.90, 53,559.51 and 12,316.42

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Solution

The fourth proportional to 35,689.90, 53,559.51 and 12,316.42 is: 18,483.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,689.90 : 53,559.51 = 12,316.42 : x
  2. Step 2: Convert to fraction form
    35,689.90/53,559.51 = 12,316.42/x
  3. Step 3: Cross multiply
    35,689.90x = 53,559.51 × 12,316.42
  4. Step 4: Simplify right side
    35,689.90x = 659,661,420.15
  5. Step 5: Solve for x
    x = 659,661,420.15/35,689.90
  6. Step 6: Final answer
    x = 18,483.14

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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.