Home / 51,129.17-70,539.18-51,050.24

Finding the Fourth Proportional to 51,129.17, 70,539.18 and 51,050.24

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Solution

The fourth proportional to 51,129.17, 70,539.18 and 51,050.24 is: 70,430.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,129.17 : 70,539.18 = 51,050.24 : x
  2. Step 2: Convert to fraction form
    51,129.17/70,539.18 = 51,050.24/x
  3. Step 3: Cross multiply
    51,129.17x = 70,539.18 × 51,050.24
  4. Step 4: Simplify right side
    51,129.17x = 3,601,041,788.79
  5. Step 5: Solve for x
    x = 3,601,041,788.79/51,129.17
  6. Step 6: Final answer
    x = 70,430.28

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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.