Home / 58,423.55-87,607.58-30,315.47

Finding the Fourth Proportional to 58,423.55, 87,607.58 and 30,315.47

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Solution

The fourth proportional to 58,423.55, 87,607.58 and 30,315.47 is: 45,458.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,423.55 : 87,607.58 = 30,315.47 : x
  2. Step 2: Convert to fraction form
    58,423.55/87,607.58 = 30,315.47/x
  3. Step 3: Cross multiply
    58,423.55x = 87,607.58 × 30,315.47
  4. Step 4: Simplify right side
    58,423.55x = 2,655,864,373.65
  5. Step 5: Solve for x
    x = 2,655,864,373.65/58,423.55
  6. Step 6: Final answer
    x = 45,458.80

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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.