Home / 30,752.34-42,460.98-18,831.93

Finding the Fourth Proportional to 30,752.34, 42,460.98 and 18,831.93

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Solution

The fourth proportional to 30,752.34, 42,460.98 and 18,831.93 is: 26,002.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,752.34 : 42,460.98 = 18,831.93 : x
  2. Step 2: Convert to fraction form
    30,752.34/42,460.98 = 18,831.93/x
  3. Step 3: Cross multiply
    30,752.34x = 42,460.98 × 18,831.93
  4. Step 4: Simplify right side
    30,752.34x = 799,622,203.09
  5. Step 5: Solve for x
    x = 799,622,203.09/30,752.34
  6. Step 6: Final answer
    x = 26,002.00

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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.