Home / 51,061.79-70,465.32-28,400.24

Finding the Fourth Proportional to 51,061.79, 70,465.32 and 28,400.24

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Solution

The fourth proportional to 51,061.79, 70,465.32 and 28,400.24 is: 39,192.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,061.79 : 70,465.32 = 28,400.24 : x
  2. Step 2: Convert to fraction form
    51,061.79/70,465.32 = 28,400.24/x
  3. Step 3: Cross multiply
    51,061.79x = 70,465.32 × 28,400.24
  4. Step 4: Simplify right side
    51,061.79x = 2,001,231,647.35
  5. Step 5: Solve for x
    x = 2,001,231,647.35/51,061.79
  6. Step 6: Final answer
    x = 39,192.36

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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.