Home / 38,313.09-52,870.73-21,316.77

Finding the Fourth Proportional to 38,313.09, 52,870.73 and 21,316.77

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Solution

The fourth proportional to 38,313.09, 52,870.73 and 21,316.77 is: 29,416.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,313.09 : 52,870.73 = 21,316.77 : x
  2. Step 2: Convert to fraction form
    38,313.09/52,870.73 = 21,316.77/x
  3. Step 3: Cross multiply
    38,313.09x = 52,870.73 × 21,316.77
  4. Step 4: Simplify right side
    38,313.09x = 1,127,033,084.56
  5. Step 5: Solve for x
    x = 1,127,033,084.56/38,313.09
  6. Step 6: Final answer
    x = 29,416.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.