Home / 42,890.49-64,248.21-22,070.25

Finding the Fourth Proportional to 42,890.49, 64,248.21 and 22,070.25

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Solution

The fourth proportional to 42,890.49, 64,248.21 and 22,070.25 is: 33,060.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,890.49 : 64,248.21 = 22,070.25 : x
  2. Step 2: Convert to fraction form
    42,890.49/64,248.21 = 22,070.25/x
  3. Step 3: Cross multiply
    42,890.49x = 64,248.21 × 22,070.25
  4. Step 4: Simplify right side
    42,890.49x = 1,417,974,056.75
  5. Step 5: Solve for x
    x = 1,417,974,056.75/42,890.49
  6. Step 6: Final answer
    x = 33,060.34

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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.