Home / 43,237.42-64,858.83-13,656.40

Finding the Fourth Proportional to 43,237.42, 64,858.83 and 13,656.40

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Solution

The fourth proportional to 43,237.42, 64,858.83 and 13,656.40 is: 20,485.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,237.42 : 64,858.83 = 13,656.40 : x
  2. Step 2: Convert to fraction form
    43,237.42/64,858.83 = 13,656.40/x
  3. Step 3: Cross multiply
    43,237.42x = 64,858.83 × 13,656.40
  4. Step 4: Simplify right side
    43,237.42x = 885,738,126.01
  5. Step 5: Solve for x
    x = 885,738,126.01/43,237.42
  6. Step 6: Final answer
    x = 20,485.45

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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.