Home / 52,128.61-78,193.22-14,688.99

Finding the Fourth Proportional to 52,128.61, 78,193.22 and 14,688.99

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Solution

The fourth proportional to 52,128.61, 78,193.22 and 14,688.99 is: 22,033.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,128.61 : 78,193.22 = 14,688.99 : x
  2. Step 2: Convert to fraction form
    52,128.61/78,193.22 = 14,688.99/x
  3. Step 3: Cross multiply
    52,128.61x = 78,193.22 × 14,688.99
  4. Step 4: Simplify right side
    52,128.61x = 1,148,579,353.20
  5. Step 5: Solve for x
    x = 1,148,579,353.20/52,128.61
  6. Step 6: Final answer
    x = 22,033.57

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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.