Home / 53,087.64-79,548.81-19,798.75

Finding the Fourth Proportional to 53,087.64, 79,548.81 and 19,798.75

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Solution

The fourth proportional to 53,087.64, 79,548.81 and 19,798.75 is: 29,667.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,087.64 : 79,548.81 = 19,798.75 : x
  2. Step 2: Convert to fraction form
    53,087.64/79,548.81 = 19,798.75/x
  3. Step 3: Cross multiply
    53,087.64x = 79,548.81 × 19,798.75
  4. Step 4: Simplify right side
    53,087.64x = 1,574,967,001.99
  5. Step 5: Solve for x
    x = 1,574,967,001.99/53,087.64
  6. Step 6: Final answer
    x = 29,667.30

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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.