Home / 30,058.28-45,070.76-12,301.41

Finding the Fourth Proportional to 30,058.28, 45,070.76 and 12,301.41

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Solution

The fourth proportional to 30,058.28, 45,070.76 and 12,301.41 is: 18,445.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,058.28 : 45,070.76 = 12,301.41 : x
  2. Step 2: Convert to fraction form
    30,058.28/45,070.76 = 12,301.41/x
  3. Step 3: Cross multiply
    30,058.28x = 45,070.76 × 12,301.41
  4. Step 4: Simplify right side
    30,058.28x = 554,433,897.77
  5. Step 5: Solve for x
    x = 554,433,897.77/30,058.28
  6. Step 6: Final answer
    x = 18,445.30

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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.