Home / 58,445.48-87,688.58-18,470.58

Finding the Fourth Proportional to 58,445.48, 87,688.58 and 18,470.58

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Solution

The fourth proportional to 58,445.48, 87,688.58 and 18,470.58 is: 27,712.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,445.48 : 87,688.58 = 18,470.58 : x
  2. Step 2: Convert to fraction form
    58,445.48/87,688.58 = 18,470.58/x
  3. Step 3: Cross multiply
    58,445.48x = 87,688.58 × 18,470.58
  4. Step 4: Simplify right side
    58,445.48x = 1,619,658,931.98
  5. Step 5: Solve for x
    x = 1,619,658,931.98/58,445.48
  6. Step 6: Final answer
    x = 27,712.30

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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.