Home / 53,056.71-79,606.32-19,325.08

Finding the Fourth Proportional to 53,056.71, 79,606.32 and 19,325.08

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Solution

The fourth proportional to 53,056.71, 79,606.32 and 19,325.08 is: 28,995.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,056.71 : 79,606.32 = 19,325.08 : x
  2. Step 2: Convert to fraction form
    53,056.71/79,606.32 = 19,325.08/x
  3. Step 3: Cross multiply
    53,056.71x = 79,606.32 × 19,325.08
  4. Step 4: Simplify right side
    53,056.71x = 1,538,398,502.51
  5. Step 5: Solve for x
    x = 1,538,398,502.51/53,056.71
  6. Step 6: Final answer
    x = 28,995.36

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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.