Home / 38,312.37-52,870.06-21,316.65

Finding the Fourth Proportional to 38,312.37, 52,870.06 and 21,316.65

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Solution

The fourth proportional to 38,312.37, 52,870.06 and 21,316.65 is: 29,416.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,312.37 : 52,870.06 = 21,316.65 : x
  2. Step 2: Convert to fraction form
    38,312.37/52,870.06 = 21,316.65/x
  3. Step 3: Cross multiply
    38,312.37x = 52,870.06 × 21,316.65
  4. Step 4: Simplify right side
    38,312.37x = 1,127,012,564.50
  5. Step 5: Solve for x
    x = 1,127,012,564.50/38,312.37
  6. Step 6: Final answer
    x = 29,416.41

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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.