Home / 51,447.90-70,903.36-42,440.70

Finding the Fourth Proportional to 51,447.90, 70,903.36 and 42,440.70

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Solution

The fourth proportional to 51,447.90, 70,903.36 and 42,440.70 is: 58,490.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,447.90 : 70,903.36 = 42,440.70 : x
  2. Step 2: Convert to fraction form
    51,447.90/70,903.36 = 42,440.70/x
  3. Step 3: Cross multiply
    51,447.90x = 70,903.36 × 42,440.70
  4. Step 4: Simplify right side
    51,447.90x = 3,009,188,230.75
  5. Step 5: Solve for x
    x = 3,009,188,230.75/51,447.90
  6. Step 6: Final answer
    x = 58,490.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.