Home / 67,031.77-100,547.63-17,111.85

Finding the Fourth Proportional to 67,031.77, 100,547.63 and 17,111.85

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Solution

The fourth proportional to 67,031.77, 100,547.63 and 17,111.85 is: 25,667.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,031.77 : 100,547.63 = 17,111.85 : x
  2. Step 2: Convert to fraction form
    67,031.77/100,547.63 = 17,111.85/x
  3. Step 3: Cross multiply
    67,031.77x = 100,547.63 × 17,111.85
  4. Step 4: Simplify right side
    67,031.77x = 1,720,556,110.76
  5. Step 5: Solve for x
    x = 1,720,556,110.76/67,031.77
  6. Step 6: Final answer
    x = 25,667.77

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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.