Home / 30,970.17-42,737.09-17,544.74

Finding the Fourth Proportional to 30,970.17, 42,737.09 and 17,544.74

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Solution

The fourth proportional to 30,970.17, 42,737.09 and 17,544.74 is: 24,210.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,970.17 : 42,737.09 = 17,544.74 : x
  2. Step 2: Convert to fraction form
    30,970.17/42,737.09 = 17,544.74/x
  3. Step 3: Cross multiply
    30,970.17x = 42,737.09 × 17,544.74
  4. Step 4: Simplify right side
    30,970.17x = 749,810,831.00
  5. Step 5: Solve for x
    x = 749,810,831.00/30,970.17
  6. Step 6: Final answer
    x = 24,210.74

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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.