Home / 58,328.20-87,483.66-18,888.76

Finding the Fourth Proportional to 58,328.20, 87,483.66 and 18,888.76

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Solution

The fourth proportional to 58,328.20, 87,483.66 and 18,888.76 is: 28,330.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,328.20 : 87,483.66 = 18,888.76 : x
  2. Step 2: Convert to fraction form
    58,328.20/87,483.66 = 18,888.76/x
  3. Step 3: Cross multiply
    58,328.20x = 87,483.66 × 18,888.76
  4. Step 4: Simplify right side
    58,328.20x = 1,652,457,857.66
  5. Step 5: Solve for x
    x = 1,652,457,857.66/58,328.20
  6. Step 6: Final answer
    x = 28,330.34

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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.