Home / 52,076.40-78,109.02-14,637.72

Finding the Fourth Proportional to 52,076.40, 78,109.02 and 14,637.72

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Solution

The fourth proportional to 52,076.40, 78,109.02 and 14,637.72 is: 21,955.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,076.40 : 78,109.02 = 14,637.72 : x
  2. Step 2: Convert to fraction form
    52,076.40/78,109.02 = 14,637.72/x
  3. Step 3: Cross multiply
    52,076.40x = 78,109.02 × 14,637.72
  4. Step 4: Simplify right side
    52,076.40x = 1,143,337,964.23
  5. Step 5: Solve for x
    x = 1,143,337,964.23/52,076.40
  6. Step 6: Final answer
    x = 21,955.01

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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.