Home / 56,526.69-78,007.04-31,035.66

Finding the Fourth Proportional to 56,526.69, 78,007.04 and 31,035.66

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Solution

The fourth proportional to 56,526.69, 78,007.04 and 31,035.66 is: 42,829.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,526.69 : 78,007.04 = 31,035.66 : x
  2. Step 2: Convert to fraction form
    56,526.69/78,007.04 = 31,035.66/x
  3. Step 3: Cross multiply
    56,526.69x = 78,007.04 × 31,035.66
  4. Step 4: Simplify right side
    56,526.69x = 2,421,000,385.20
  5. Step 5: Solve for x
    x = 2,421,000,385.20/56,526.69
  6. Step 6: Final answer
    x = 42,829.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.