Home / 45,018.86-62,068.29-30,847.10

Finding the Fourth Proportional to 45,018.86, 62,068.29 and 30,847.10

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Solution

The fourth proportional to 45,018.86, 62,068.29 and 30,847.10 is: 42,529.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,018.86 : 62,068.29 = 30,847.10 : x
  2. Step 2: Convert to fraction form
    45,018.86/62,068.29 = 30,847.10/x
  3. Step 3: Cross multiply
    45,018.86x = 62,068.29 × 30,847.10
  4. Step 4: Simplify right side
    45,018.86x = 1,914,626,748.46
  5. Step 5: Solve for x
    x = 1,914,626,748.46/45,018.86
  6. Step 6: Final answer
    x = 42,529.44

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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.