Home / 53,015.84-79,521.24-15,574.40

Finding the Fourth Proportional to 53,015.84, 79,521.24 and 15,574.40

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Solution

The fourth proportional to 53,015.84, 79,521.24 and 15,574.40 is: 23,360.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,015.84 : 79,521.24 = 15,574.40 : x
  2. Step 2: Convert to fraction form
    53,015.84/79,521.24 = 15,574.40/x
  3. Step 3: Cross multiply
    53,015.84x = 79,521.24 × 15,574.40
  4. Step 4: Simplify right side
    53,015.84x = 1,238,495,600.26
  5. Step 5: Solve for x
    x = 1,238,495,600.26/53,015.84
  6. Step 6: Final answer
    x = 23,360.86

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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.