Home / 35,688.48-49,252.80-19,774.40

Finding the Fourth Proportional to 35,688.48, 49,252.80 and 19,774.40

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Solution

The fourth proportional to 35,688.48, 49,252.80 and 19,774.40 is: 27,290.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,688.48 : 49,252.80 = 19,774.40 : x
  2. Step 2: Convert to fraction form
    35,688.48/49,252.80 = 19,774.40/x
  3. Step 3: Cross multiply
    35,688.48x = 49,252.80 × 19,774.40
  4. Step 4: Simplify right side
    35,688.48x = 973,944,568.32
  5. Step 5: Solve for x
    x = 973,944,568.32/35,688.48
  6. Step 6: Final answer
    x = 27,290.17

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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.