Home / 35,973.12-53,975.28-19,313.70

Finding the Fourth Proportional to 35,973.12, 53,975.28 and 19,313.70

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Solution

The fourth proportional to 35,973.12, 53,975.28 and 19,313.70 is: 28,978.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,973.12 : 53,975.28 = 19,313.70 : x
  2. Step 2: Convert to fraction form
    35,973.12/53,975.28 = 19,313.70/x
  3. Step 3: Cross multiply
    35,973.12x = 53,975.28 × 19,313.70
  4. Step 4: Simplify right side
    35,973.12x = 1,042,462,365.34
  5. Step 5: Solve for x
    x = 1,042,462,365.34/35,973.12
  6. Step 6: Final answer
    x = 28,978.93

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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.