Home / 38,328.10-57,501.72-13,368.51

Finding the Fourth Proportional to 38,328.10, 57,501.72 and 13,368.51

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Solution

The fourth proportional to 38,328.10, 57,501.72 and 13,368.51 is: 20,056.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,328.10 : 57,501.72 = 13,368.51 : x
  2. Step 2: Convert to fraction form
    38,328.10/57,501.72 = 13,368.51/x
  3. Step 3: Cross multiply
    38,328.10x = 57,501.72 × 13,368.51
  4. Step 4: Simplify right side
    38,328.10x = 768,712,318.84
  5. Step 5: Solve for x
    x = 768,712,318.84/38,328.10
  6. Step 6: Final answer
    x = 20,056.10

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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.