Home / 37,314.81-51,492.11-20,547.81

Finding the Fourth Proportional to 37,314.81, 51,492.11 and 20,547.81

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Solution

The fourth proportional to 37,314.81, 51,492.11 and 20,547.81 is: 28,354.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,314.81 : 51,492.11 = 20,547.81 : x
  2. Step 2: Convert to fraction form
    37,314.81/51,492.11 = 20,547.81/x
  3. Step 3: Cross multiply
    37,314.81x = 51,492.11 × 20,547.81
  4. Step 4: Simplify right side
    37,314.81x = 1,058,049,990.04
  5. Step 5: Solve for x
    x = 1,058,049,990.04/37,314.81
  6. Step 6: Final answer
    x = 28,354.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.