Home / 30,041.20-41,456.64-16,612.48

Finding the Fourth Proportional to 30,041.20, 41,456.64 and 16,612.48

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Solution

The fourth proportional to 30,041.20, 41,456.64 and 16,612.48 is: 22,925.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,041.20 : 41,456.64 = 16,612.48 : x
  2. Step 2: Convert to fraction form
    30,041.20/41,456.64 = 16,612.48/x
  3. Step 3: Cross multiply
    30,041.20x = 41,456.64 × 16,612.48
  4. Step 4: Simplify right side
    30,041.20x = 688,697,602.87
  5. Step 5: Solve for x
    x = 688,697,602.87/30,041.20
  6. Step 6: Final answer
    x = 22,925.10

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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.