Home / 43,263.04-64,878.72-21,069.76

Finding the Fourth Proportional to 43,263.04, 64,878.72 and 21,069.76

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Solution

The fourth proportional to 43,263.04, 64,878.72 and 21,069.76 is: 31,596.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,263.04 : 64,878.72 = 21,069.76 : x
  2. Step 2: Convert to fraction form
    43,263.04/64,878.72 = 21,069.76/x
  3. Step 3: Cross multiply
    43,263.04x = 64,878.72 × 21,069.76
  4. Step 4: Simplify right side
    43,263.04x = 1,366,979,059.51
  5. Step 5: Solve for x
    x = 1,366,979,059.51/43,263.04
  6. Step 6: Final answer
    x = 31,596.93

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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.