Home / 42,848.40-64,280.40-14,772.48

Finding the Fourth Proportional to 42,848.40, 64,280.40 and 14,772.48

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Solution

The fourth proportional to 42,848.40, 64,280.40 and 14,772.48 is: 22,161.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,848.40 : 64,280.40 = 14,772.48 : x
  2. Step 2: Convert to fraction form
    42,848.40/64,280.40 = 14,772.48/x
  3. Step 3: Cross multiply
    42,848.40x = 64,280.40 × 14,772.48
  4. Step 4: Simplify right side
    42,848.40x = 949,580,923.39
  5. Step 5: Solve for x
    x = 949,580,923.39/42,848.40
  6. Step 6: Final answer
    x = 22,161.41

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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.