Home / 30,460.68-42,032.27-17,031.48

Finding the Fourth Proportional to 30,460.68, 42,032.27 and 17,031.48

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Solution

The fourth proportional to 30,460.68, 42,032.27 and 17,031.48 is: 23,501.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,460.68 : 42,032.27 = 17,031.48 : x
  2. Step 2: Convert to fraction form
    30,460.68/42,032.27 = 17,031.48/x
  3. Step 3: Cross multiply
    30,460.68x = 42,032.27 × 17,031.48
  4. Step 4: Simplify right side
    30,460.68x = 715,871,680.70
  5. Step 5: Solve for x
    x = 715,871,680.70/30,460.68
  6. Step 6: Final answer
    x = 23,501.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.