Home / 37,378.32-56,077.56-12,422.40

Finding the Fourth Proportional to 37,378.32, 56,077.56 and 12,422.40

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Solution

The fourth proportional to 37,378.32, 56,077.56 and 12,422.40 is: 18,636.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,378.32 : 56,077.56 = 12,422.40 : x
  2. Step 2: Convert to fraction form
    37,378.32/56,077.56 = 12,422.40/x
  3. Step 3: Cross multiply
    37,378.32x = 56,077.56 × 12,422.40
  4. Step 4: Simplify right side
    37,378.32x = 696,617,881.34
  5. Step 5: Solve for x
    x = 696,617,881.34/37,378.32
  6. Step 6: Final answer
    x = 18,636.95

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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.