Home / 30,266.91-45,400.59-10,545.44

Finding the Fourth Proportional to 30,266.91, 45,400.59 and 10,545.44

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Solution

The fourth proportional to 30,266.91, 45,400.59 and 10,545.44 is: 15,818.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,266.91 : 45,400.59 = 10,545.44 : x
  2. Step 2: Convert to fraction form
    30,266.91/45,400.59 = 10,545.44/x
  3. Step 3: Cross multiply
    30,266.91x = 45,400.59 × 10,545.44
  4. Step 4: Simplify right side
    30,266.91x = 478,768,970.81
  5. Step 5: Solve for x
    x = 478,768,970.81/30,266.91
  6. Step 6: Final answer
    x = 15,818.23

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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.