Home / 34,140.60-51,210.90-10,769.40

Finding the Fourth Proportional to 34,140.60, 51,210.90 and 10,769.40

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Solution

The fourth proportional to 34,140.60, 51,210.90 and 10,769.40 is: 16,154.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,140.60 : 51,210.90 = 10,769.40 : x
  2. Step 2: Convert to fraction form
    34,140.60/51,210.90 = 10,769.40/x
  3. Step 3: Cross multiply
    34,140.60x = 51,210.90 × 10,769.40
  4. Step 4: Simplify right side
    34,140.60x = 551,510,666.46
  5. Step 5: Solve for x
    x = 551,510,666.46/34,140.60
  6. Step 6: Final answer
    x = 16,154.10

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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.