Home / 39,603.84-59,406.66-13,308.81

Finding the Fourth Proportional to 39,603.84, 59,406.66 and 13,308.81

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Solution

The fourth proportional to 39,603.84, 59,406.66 and 13,308.81 is: 19,963.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,603.84 : 59,406.66 = 13,308.81 : x
  2. Step 2: Convert to fraction form
    39,603.84/59,406.66 = 13,308.81/x
  3. Step 3: Cross multiply
    39,603.84x = 59,406.66 × 13,308.81
  4. Step 4: Simplify right side
    39,603.84x = 790,631,950.67
  5. Step 5: Solve for x
    x = 790,631,950.67/39,603.84
  6. Step 6: Final answer
    x = 19,963.52

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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.