Home / 37,389.18-56,065.04-12,420.48

Finding the Fourth Proportional to 37,389.18, 56,065.04 and 12,420.48

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Solution

The fourth proportional to 37,389.18, 56,065.04 and 12,420.48 is: 18,624.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,389.18 : 56,065.04 = 12,420.48 : x
  2. Step 2: Convert to fraction form
    37,389.18/56,065.04 = 12,420.48/x
  3. Step 3: Cross multiply
    37,389.18x = 56,065.04 × 12,420.48
  4. Step 4: Simplify right side
    37,389.18x = 696,354,902.74
  5. Step 5: Solve for x
    x = 696,354,902.74/37,389.18
  6. Step 6: Final answer
    x = 18,624.50

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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.