Home / 42,717.04-64,077.34-14,656.39

Finding the Fourth Proportional to 42,717.04, 64,077.34 and 14,656.39

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Solution

The fourth proportional to 42,717.04, 64,077.34 and 14,656.39 is: 21,985.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,717.04 : 64,077.34 = 14,656.39 : x
  2. Step 2: Convert to fraction form
    42,717.04/64,077.34 = 14,656.39/x
  3. Step 3: Cross multiply
    42,717.04x = 64,077.34 × 14,656.39
  4. Step 4: Simplify right side
    42,717.04x = 939,142,572.11
  5. Step 5: Solve for x
    x = 939,142,572.11/42,717.04
  6. Step 6: Final answer
    x = 21,985.20

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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.