Home / 37,547.79-51,815.80-20,320.12

Finding the Fourth Proportional to 37,547.79, 51,815.80 and 20,320.12

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Solution

The fourth proportional to 37,547.79, 51,815.80 and 20,320.12 is: 28,041.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,547.79 : 51,815.80 = 20,320.12 : x
  2. Step 2: Convert to fraction form
    37,547.79/51,815.80 = 20,320.12/x
  3. Step 3: Cross multiply
    37,547.79x = 51,815.80 × 20,320.12
  4. Step 4: Simplify right side
    37,547.79x = 1,052,903,072.60
  5. Step 5: Solve for x
    x = 1,052,903,072.60/37,547.79
  6. Step 6: Final answer
    x = 28,041.68

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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.