Home / 47,053.40-70,580.10-20,730.20

Finding the Fourth Proportional to 47,053.40, 70,580.10 and 20,730.20

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Solution

The fourth proportional to 47,053.40, 70,580.10 and 20,730.20 is: 31,095.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,053.40 : 70,580.10 = 20,730.20 : x
  2. Step 2: Convert to fraction form
    47,053.40/70,580.10 = 20,730.20/x
  3. Step 3: Cross multiply
    47,053.40x = 70,580.10 × 20,730.20
  4. Step 4: Simplify right side
    47,053.40x = 1,463,139,589.02
  5. Step 5: Solve for x
    x = 1,463,139,589.02/47,053.40
  6. Step 6: Final answer
    x = 31,095.30

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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.