Home / 53,688.30-74,088.72-29,814.36

Finding the Fourth Proportional to 53,688.30, 74,088.72 and 29,814.36

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Solution

The fourth proportional to 53,688.30, 74,088.72 and 29,814.36 is: 41,143.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,688.30 : 74,088.72 = 29,814.36 : x
  2. Step 2: Convert to fraction form
    53,688.30/74,088.72 = 29,814.36/x
  3. Step 3: Cross multiply
    53,688.30x = 74,088.72 × 29,814.36
  4. Step 4: Simplify right side
    53,688.30x = 2,208,907,770.02
  5. Step 5: Solve for x
    x = 2,208,907,770.02/53,688.30
  6. Step 6: Final answer
    x = 41,143.19

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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.