Home / 52,089.67-78,134.52-14,653.72

Finding the Fourth Proportional to 52,089.67, 78,134.52 and 14,653.72

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Solution

The fourth proportional to 52,089.67, 78,134.52 and 14,653.72 is: 21,980.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,089.67 : 78,134.52 = 14,653.72 : x
  2. Step 2: Convert to fraction form
    52,089.67/78,134.52 = 14,653.72/x
  3. Step 3: Cross multiply
    52,089.67x = 78,134.52 × 14,653.72
  4. Step 4: Simplify right side
    52,089.67x = 1,144,960,987.74
  5. Step 5: Solve for x
    x = 1,144,960,987.74/52,089.67
  6. Step 6: Final answer
    x = 21,980.58

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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.