Home / 58,009.20-87,013.80-18,567.60

Finding the Fourth Proportional to 58,009.20, 87,013.80 and 18,567.60

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Solution

The fourth proportional to 58,009.20, 87,013.80 and 18,567.60 is: 27,851.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,009.20 : 87,013.80 = 18,567.60 : x
  2. Step 2: Convert to fraction form
    58,009.20/87,013.80 = 18,567.60/x
  3. Step 3: Cross multiply
    58,009.20x = 87,013.80 × 18,567.60
  4. Step 4: Simplify right side
    58,009.20x = 1,615,637,432.88
  5. Step 5: Solve for x
    x = 1,615,637,432.88/58,009.20
  6. Step 6: Final answer
    x = 27,851.40

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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.