Home / 35,417.10-48,875.74-21,270.18

Finding the Fourth Proportional to 35,417.10, 48,875.74 and 21,270.18

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Solution

The fourth proportional to 35,417.10, 48,875.74 and 21,270.18 is: 29,352.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,417.10 : 48,875.74 = 21,270.18 : x
  2. Step 2: Convert to fraction form
    35,417.10/48,875.74 = 21,270.18/x
  3. Step 3: Cross multiply
    35,417.10x = 48,875.74 × 21,270.18
  4. Step 4: Simplify right side
    35,417.10x = 1,039,595,787.43
  5. Step 5: Solve for x
    x = 1,039,595,787.43/35,417.10
  6. Step 6: Final answer
    x = 29,352.93

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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.