Home / 45,030.39-67,548.95-13,437.96

Finding the Fourth Proportional to 45,030.39, 67,548.95 and 13,437.96

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Solution

The fourth proportional to 45,030.39, 67,548.95 and 13,437.96 is: 20,157.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,030.39 : 67,548.95 = 13,437.96 : x
  2. Step 2: Convert to fraction form
    45,030.39/67,548.95 = 13,437.96/x
  3. Step 3: Cross multiply
    45,030.39x = 67,548.95 × 13,437.96
  4. Step 4: Simplify right side
    45,030.39x = 907,720,088.14
  5. Step 5: Solve for x
    x = 907,720,088.14/45,030.39
  6. Step 6: Final answer
    x = 20,157.94

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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.