Home / 36,045.84-54,068.76-12,666.81

Finding the Fourth Proportional to 36,045.84, 54,068.76 and 12,666.81

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Solution

The fourth proportional to 36,045.84, 54,068.76 and 12,666.81 is: 19,000.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,045.84 : 54,068.76 = 12,666.81 : x
  2. Step 2: Convert to fraction form
    36,045.84/54,068.76 = 12,666.81/x
  3. Step 3: Cross multiply
    36,045.84x = 54,068.76 × 12,666.81
  4. Step 4: Simplify right side
    36,045.84x = 684,878,709.86
  5. Step 5: Solve for x
    x = 684,878,709.86/36,045.84
  6. Step 6: Final answer
    x = 19,000.22

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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.