Home / 45,411.30-62,669.05-28,410.10

Finding the Fourth Proportional to 45,411.30, 62,669.05 and 28,410.10

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Solution

The fourth proportional to 45,411.30, 62,669.05 and 28,410.10 is: 39,206.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,411.30 : 62,669.05 = 28,410.10 : x
  2. Step 2: Convert to fraction form
    45,411.30/62,669.05 = 28,410.10/x
  3. Step 3: Cross multiply
    45,411.30x = 62,669.05 × 28,410.10
  4. Step 4: Simplify right side
    45,411.30x = 1,780,433,749.71
  5. Step 5: Solve for x
    x = 1,780,433,749.71/45,411.30
  6. Step 6: Final answer
    x = 39,206.84

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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.