Home / 30,340.31-45,477.59-15,528.92

Finding the Fourth Proportional to 30,340.31, 45,477.59 and 15,528.92

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Solution

The fourth proportional to 30,340.31, 45,477.59 and 15,528.92 is: 23,276.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,340.31 : 45,477.59 = 15,528.92 : x
  2. Step 2: Convert to fraction form
    30,340.31/45,477.59 = 15,528.92/x
  3. Step 3: Cross multiply
    30,340.31x = 45,477.59 × 15,528.92
  4. Step 4: Simplify right side
    30,340.31x = 706,217,551.87
  5. Step 5: Solve for x
    x = 706,217,551.87/30,340.31
  6. Step 6: Final answer
    x = 23,276.55

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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.