Home / 31,703.04-47,501.76-20,595.84

Finding the Fourth Proportional to 31,703.04, 47,501.76 and 20,595.84

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Solution

The fourth proportional to 31,703.04, 47,501.76 and 20,595.84 is: 30,859.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,703.04 : 47,501.76 = 20,595.84 : x
  2. Step 2: Convert to fraction form
    31,703.04/47,501.76 = 20,595.84/x
  3. Step 3: Cross multiply
    31,703.04x = 47,501.76 × 20,595.84
  4. Step 4: Simplify right side
    31,703.04x = 978,338,648.68
  5. Step 5: Solve for x
    x = 978,338,648.68/31,703.04
  6. Step 6: Final answer
    x = 30,859.46

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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.