Home / 30,031.63-41,445.17-16,603.45

Finding the Fourth Proportional to 30,031.63, 41,445.17 and 16,603.45

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Solution

The fourth proportional to 30,031.63, 41,445.17 and 16,603.45 is: 22,913.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,031.63 : 41,445.17 = 16,603.45 : x
  2. Step 2: Convert to fraction form
    30,031.63/41,445.17 = 16,603.45/x
  3. Step 3: Cross multiply
    30,031.63x = 41,445.17 × 16,603.45
  4. Step 4: Simplify right side
    30,031.63x = 688,132,683.47
  5. Step 5: Solve for x
    x = 688,132,683.47/30,031.63
  6. Step 6: Final answer
    x = 22,913.60

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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.