Home / 35,412.90-48,870.64-19,281.04

Finding the Fourth Proportional to 35,412.90, 48,870.64 and 19,281.04

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Solution

The fourth proportional to 35,412.90, 48,870.64 and 19,281.04 is: 26,608.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,412.90 : 48,870.64 = 19,281.04 : x
  2. Step 2: Convert to fraction form
    35,412.90/48,870.64 = 19,281.04/x
  3. Step 3: Cross multiply
    35,412.90x = 48,870.64 × 19,281.04
  4. Step 4: Simplify right side
    35,412.90x = 942,276,666.59
  5. Step 5: Solve for x
    x = 942,276,666.59/35,412.90
  6. Step 6: Final answer
    x = 26,608.29

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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.