Home / 52,313.40-72,192.78-30,804.08

Finding the Fourth Proportional to 52,313.40, 72,192.78 and 30,804.08

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Solution

The fourth proportional to 52,313.40, 72,192.78 and 30,804.08 is: 42,509.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,313.40 : 72,192.78 = 30,804.08 : x
  2. Step 2: Convert to fraction form
    52,313.40/72,192.78 = 30,804.08/x
  3. Step 3: Cross multiply
    52,313.40x = 72,192.78 × 30,804.08
  4. Step 4: Simplify right side
    52,313.40x = 2,223,831,809.58
  5. Step 5: Solve for x
    x = 2,223,831,809.58/52,313.40
  6. Step 6: Final answer
    x = 42,509.79

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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.