Home / 32,140.80-47,970.24-30,041.28

Finding the Fourth Proportional to 32,140.80, 47,970.24 and 30,041.28

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Solution

The fourth proportional to 32,140.80, 47,970.24 and 30,041.28 is: 44,836.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,140.80 : 47,970.24 = 30,041.28 : x
  2. Step 2: Convert to fraction form
    32,140.80/47,970.24 = 30,041.28/x
  3. Step 3: Cross multiply
    32,140.80x = 47,970.24 × 30,041.28
  4. Step 4: Simplify right side
    32,140.80x = 1,441,087,411.51
  5. Step 5: Solve for x
    x = 1,441,087,411.51/32,140.80
  6. Step 6: Final answer
    x = 44,836.70

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.