Home / 51,718.34-77,575.95-14,280.69

Finding the Fourth Proportional to 51,718.34, 77,575.95 and 14,280.69

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Solution

The fourth proportional to 51,718.34, 77,575.95 and 14,280.69 is: 21,420.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,718.34 : 77,575.95 = 14,280.69 : x
  2. Step 2: Convert to fraction form
    51,718.34/77,575.95 = 14,280.69/x
  3. Step 3: Cross multiply
    51,718.34x = 77,575.95 × 14,280.69
  4. Step 4: Simplify right side
    51,718.34x = 1,107,838,093.41
  5. Step 5: Solve for x
    x = 1,107,838,093.41/51,718.34
  6. Step 6: Final answer
    x = 21,420.60

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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.