Home / 34,582.47-47,746.86-20,439.87

Finding the Fourth Proportional to 34,582.47, 47,746.86 and 20,439.87

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Solution

The fourth proportional to 34,582.47, 47,746.86 and 20,439.87 is: 28,220.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,582.47 : 47,746.86 = 20,439.87 : x
  2. Step 2: Convert to fraction form
    34,582.47/47,746.86 = 20,439.87/x
  3. Step 3: Cross multiply
    34,582.47x = 47,746.86 × 20,439.87
  4. Step 4: Simplify right side
    34,582.47x = 975,939,611.31
  5. Step 5: Solve for x
    x = 975,939,611.31/34,582.47
  6. Step 6: Final answer
    x = 28,220.65

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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.