Home / 31,762.23-43,831.57-17,421.77

Finding the Fourth Proportional to 31,762.23, 43,831.57 and 17,421.77

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Solution

The fourth proportional to 31,762.23, 43,831.57 and 17,421.77 is: 24,041.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,762.23 : 43,831.57 = 17,421.77 : x
  2. Step 2: Convert to fraction form
    31,762.23/43,831.57 = 17,421.77/x
  3. Step 3: Cross multiply
    31,762.23x = 43,831.57 × 17,421.77
  4. Step 4: Simplify right side
    31,762.23x = 763,623,312.12
  5. Step 5: Solve for x
    x = 763,623,312.12/31,762.23
  6. Step 6: Final answer
    x = 24,041.87

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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.