Home / 52,328.71-78,492.39-12,886.17

Finding the Fourth Proportional to 52,328.71, 78,492.39 and 12,886.17

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Solution

The fourth proportional to 52,328.71, 78,492.39 and 12,886.17 is: 19,329.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,328.71 : 78,492.39 = 12,886.17 : x
  2. Step 2: Convert to fraction form
    52,328.71/78,492.39 = 12,886.17/x
  3. Step 3: Cross multiply
    52,328.71x = 78,492.39 × 12,886.17
  4. Step 4: Simplify right side
    52,328.71x = 1,011,466,281.25
  5. Step 5: Solve for x
    x = 1,011,466,281.25/52,328.71
  6. Step 6: Final answer
    x = 19,329.09

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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.