Home / 37,456.64-51,685.76-20,688.64

Finding the Fourth Proportional to 37,456.64, 51,685.76 and 20,688.64

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Solution

The fourth proportional to 37,456.64, 51,685.76 and 20,688.64 is: 28,547.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,456.64 : 51,685.76 = 20,688.64 : x
  2. Step 2: Convert to fraction form
    37,456.64/51,685.76 = 20,688.64/x
  3. Step 3: Cross multiply
    37,456.64x = 51,685.76 × 20,688.64
  4. Step 4: Simplify right side
    37,456.64x = 1,069,308,081.77
  5. Step 5: Solve for x
    x = 1,069,308,081.77/37,456.64
  6. Step 6: Final answer
    x = 28,547.89

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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.