Home / 32,911.12-45,417.12-18,007.12

Finding the Fourth Proportional to 32,911.12, 45,417.12 and 18,007.12

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Solution

The fourth proportional to 32,911.12, 45,417.12 and 18,007.12 is: 24,849.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,911.12 : 45,417.12 = 18,007.12 : x
  2. Step 2: Convert to fraction form
    32,911.12/45,417.12 = 18,007.12/x
  3. Step 3: Cross multiply
    32,911.12x = 45,417.12 × 18,007.12
  4. Step 4: Simplify right side
    32,911.12x = 817,831,529.89
  5. Step 5: Solve for x
    x = 817,831,529.89/32,911.12
  6. Step 6: Final answer
    x = 24,849.70

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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.