Home / 42,669.86-64,004.81-14,590.17

Finding the Fourth Proportional to 42,669.86, 64,004.81 and 14,590.17

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Solution

The fourth proportional to 42,669.86, 64,004.81 and 14,590.17 is: 21,885.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,669.86 : 64,004.81 = 14,590.17 : x
  2. Step 2: Convert to fraction form
    42,669.86/64,004.81 = 14,590.17/x
  3. Step 3: Cross multiply
    42,669.86x = 64,004.81 × 14,590.17
  4. Step 4: Simplify right side
    42,669.86x = 933,840,985.77
  5. Step 5: Solve for x
    x = 933,840,985.77/42,669.86
  6. Step 6: Final answer
    x = 21,885.26

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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.