Home / 59,988.48-90,037.56-30,426.72

Finding the Fourth Proportional to 59,988.48, 90,037.56 and 30,426.72

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Solution

The fourth proportional to 59,988.48, 90,037.56 and 30,426.72 is: 45,667.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,988.48 : 90,037.56 = 30,426.72 : x
  2. Step 2: Convert to fraction form
    59,988.48/90,037.56 = 30,426.72/x
  3. Step 3: Cross multiply
    59,988.48x = 90,037.56 × 30,426.72
  4. Step 4: Simplify right side
    59,988.48x = 2,739,547,627.60
  5. Step 5: Solve for x
    x = 2,739,547,627.60/59,988.48
  6. Step 6: Final answer
    x = 45,667.90

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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.