Home / 30,332.66-45,457.46-19,247.13

Finding the Fourth Proportional to 30,332.66, 45,457.46 and 19,247.13

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Solution

The fourth proportional to 30,332.66, 45,457.46 and 19,247.13 is: 28,844.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,332.66 : 45,457.46 = 19,247.13 : x
  2. Step 2: Convert to fraction form
    30,332.66/45,457.46 = 19,247.13/x
  3. Step 3: Cross multiply
    30,332.66x = 45,457.46 × 19,247.13
  4. Step 4: Simplify right side
    30,332.66x = 874,925,545.85
  5. Step 5: Solve for x
    x = 874,925,545.85/30,332.66
  6. Step 6: Final answer
    x = 28,844.34

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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.